Home / 8,857.16-13,287.92-2,617.14

Finding the Fourth Proportional to 8,857.16, 13,287.92 and 2,617.14

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Solution

The fourth proportional to 8,857.16, 13,287.92 and 2,617.14 is: 3,926.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857.16 : 13,287.92 = 2,617.14 : x
  2. Step 2: Convert to fraction form
    8,857.16/13,287.92 = 2,617.14/x
  3. Step 3: Cross multiply
    8,857.16x = 13,287.92 × 2,617.14
  4. Step 4: Simplify right side
    8,857.16x = 34,776,346.95
  5. Step 5: Solve for x
    x = 34,776,346.95/8,857.16
  6. Step 6: Final answer
    x = 3,926.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.